/[gzz]/manuscripts/Control1/poster.rst
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revision 1.20 by tjl, Mon May 5 13:01:12 2003 UTC revision 1.21 by tjl, Mon May 5 13:15:29 2003 UTC
# Line 111  Connecting an optomechanical mouse to LE Line 111  Connecting an optomechanical mouse to LE
111    
112  By far the most difficult part of  By far the most difficult part of
113    
114    - zeroth solution using hand-made cardboard optomechanical discs
115        
116        - bad idea
117    
118  - the first solution using only small LEGO cogwheels  - the first solution using only small LEGO cogwheels
119    
120        - easier to construct, still too easily hopping over
121    
122  - the second solution using non-LEGO cogwheels  - the second solution using non-LEGO cogwheels
123    
124        - ???
125    
126  - so far final solution using mouse's own grid wheel  - so far final solution using mouse's own grid wheel
127    and LEGO tires    and LEGO tires
128    
129        - easy to construct, reliable
130    
131        - best part = 132-old, but the shaped tyres will also do
132    
133  An example custom controller for a particular user interface  An example custom controller for a particular user interface
134  ============================================================  ============================================================
135    
# Line 191  Conclusion Line 205  Conclusion
205    
206    
207  Pros:  Pros:
208  - cheapness,  - cheap
209  - easy to build  - easy to build
210  - reusable parts  - reusable parts
 - fun  
211  - USB -> can attach as many as we want, simple to use  - USB -> can attach as many as we want, simple to use
212    programmatically e.g. in Linux    programmatically e.g. in Linux
213    - taps to several computer scientists' hidden background in LEGO building.
214    - fun
215    
216  Cons:  Cons:
217    
218  - shape edged, unconformtable  - shape edged, uncomfortable
219    
220      - several options for design      - several options for design
221    
222          - slopes + inverse slopes octagon          - slopes + inverse slopes octagon
223    
224          - rounded bricks          - rounded bricks
225    
226          - wedges          - wedges
227    
228      - more ergonomic handles could be made by covering      - more ergonomic handles could be made by covering
229        LEGO handles with modelling "pasta" / paste / something        LEGO handles with modelling "pasta" / paste / something
230    
231  - weak (legos may break apart)  - weak (legos may break apart)
232    
233      - requires careful construction      - requires careful construction
234    
235            - see tips section
236    
237      - gluing parts      - gluing parts
238    
239    - mechanical looseness
240    
241        - some inevitable
242        - humans used to some
243    
244        - can be alleviated to a great degree by careful construction
245    
246            - see tips
247    
248  - requires calibration  - requires calibration
249            
250    - having to explain to budget counters purchases of LEGO sets with
251  Some solutions for cons:    interesting names (or bricklink purchases)
252    
253    
254    

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